Jack O'Shea Movies

To investigate a gold-shipping scam, a postal inspector goes undercover and tries to infiltrate the gang he believes is responsible.

A geologist has found oil on the neighboring ranches and teams up with Ace who has his gang create a reign of terror to get the ranchers to sell out....

An American secret agent travels to Africa to infiltrate a Nazi spy ring.

Although ostensibly the grand-son of the legendary hero, Clayton Moore's Ken Mason is little more than a cowboy in a black mask in this 12 chapter...

Murder mystery programmer from Republic pictures

Fur theives are looting the traps on the ranch where Roy is foreman and they have murdered one of Roy's friends.

Gang Leader Dutch Malone goes on a hunting trip and is in a car wreck and is confined to the hospital, without the knowledge of any of his gang...

In the midst of the Civil War, Lassiter has a plan to get control of California. Working out of St. Joseph, he plans to send forged messages to the...

When Andrew Long, hyper-efficient small town accountant, finds a $1240 discrepancy in the city budget, his superiors try to explain it away. When he...

A mad scientist named Dr. Satan plots to steal key pieces of technology to enable him to build an army of robots based on his prototype to conquer...

The evil and masked "Gargoyle" is sabotaging all of America's industrial plants. It is up to the Spider to save the country.

The U.S. Army takes over a large area of land, over the objection of citizens and corporations who live and work there.

To get the three needed business men to visit the Stevens mine, Roy stages a ride with the Vacaros and has them as honored guests. Seeing a chance to...

A newsman helps a Brazilian singer get her brother out of trouble in New York.

Dr. Herbert Lee, an archaeologist seeking to decipher ancient Mara inscriptions, is aided by his son Terry, Terry's pal Pat Ryan, and Normandie...

Lash goes south of the border looking for a counterfeiter, a kidnapped engraver and his daughter, and the mysterious Frontier Phantom, while Fuzzy...

Bad guys plot to trick a newly arrived Eastern girl out of a ranch which belongs to her infant ward. Roy, of course, saves the ranch for the girl....

Columbia's 11th serial and the first western serial that James W. Horne solo-directed.

A singing entomologist (Roy Rogers) acts meek to help a juggling sheriff (George "Gabby" Hayes) solve ranch raids.

The S. S. Arcturus sails from Shanghai to San Francisco, and Dr. Jim Craig takes the post of ship's physician in order to be near Ann Grayson, the...